
Tristan John Gemmill (born 6 June 1967) is an English actor, most notable for his roles as Dr Adam Trueman on Casualty, and Robert Preston in Coronation Street. He was educated at Holmewood House School, Royal Tunbridge Wells, Kent, up to the age of 13. He then won an Academic Scholarship to Tonbridge School.

Agatha Christie's Poirot
TV • 1989

Death in Paradise
TV • 2011

Casualty
TV • 1986

The Crown
TV • 2016

Father Brown
TV • 2013

Call the Midwife
TV • 2012

Loose Women
TV • 1999

Judge John Deed
TV • 2001

Red Cap
TV • 2003

Mayo
TV • 2006

Meadowlands
TV • 2007

Winston Churchill: The Wilderness Years
TV • 1981

The Jacket
MOVIE • 2005

Nancherrow
TV • 1999

The Golden Hour
TV • 2005

Distant Shores
TV • 2005

The Gospel of John
MOVIE • 2003

The Adventurer: The Curse of the Midas Box
MOVIE • 2013